Fix UrlFetcher upload retry handling.

net/url_request/url_fetcher_core.h

Index: net/url_request/url_fetcher_core.h
diff --git a/net/url_request/url_fetcher_core.h b/net/url_request/url_fetcher_core.h
index 346a92998065ecd85437bd79fe28072f1e6a8f4e..96810e01068935baaa6c17b63e1c86e4fb580f63 100644
--- a/net/url_request/url_fetcher_core.h
+++ b/net/url_request/url_fetcher_core.h
@@ -62,7 +62,7 @@ class URLFetcherCore
   // For POST requests, set |content_type| to the MIME type of the
   // content and set |content| to the data to upload.
   void SetUploadDataStream(const std::string& upload_content_type,
-                           scoped_ptr<UploadDataStream> upload_content);
+                           scoped_ptr<UploadDataStream> upload_data_stream);
   void SetUploadData(const std::string& upload_content_type,
                      const std::string& upload_content);
   void SetChunkedUpload(const std::string& upload_content_type);
@@ -335,7 +335,9 @@ class URLFetcherCore
   bool was_fetched_via_proxy_;
   HostPortPair socket_address_;
 
-  scoped_ptr<UploadDataStream> upload_content_;  // HTTP POST payload
+  scoped_ptr<UploadDataStream> upload_data_stream_;  // POST payload stream.
+  std::string upload_content_;                       // POST payload contents.
+
   std::string upload_content_type_;  // MIME type of POST payload
   std::string referrer_;             // HTTP Referer header value
   bool is_chunked_upload_;           // True if using chunked transfer encoding